====================================== | [ 337.196685][ T1288] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) | [ 337.196995][ T1288] | [ 337.197125][ T1288] | [ 337.197125][ T1288] stack backtrace: [ 337.197937][ T1288] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 337.198635][ T1288] Call Trace: [ 337.198837][ T1288] [ 337.198964][ T1288] dump_stack_lvl (lib/dump_stack.c:117) [ 337.199216][ T1288] print_bad_irq_dependency (kernel/locking/lockdep.c:2626) [ 337.199465][ T1288] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) [ 337.199878][ T1288] ? __pfx_print_bad_irq_dependency (kernel/locking/lockdep.c:2569) [ 337.200177][ T1288] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264) [ 337.200430][ T1288] ? __bfs (kernel/locking/lockdep.c:1787) [ 337.200613][ T1288] ? __pfx_usage_match (kernel/locking/lockdep.c:2256) [ 337.201031][ T1288] check_irq_usage (kernel/locking/lockdep.c:2871) [ 337.201264][ T1288] ? __pfx_check_irq_usage (kernel/locking/lockdep.c:2790) [ 337.201490][ T1288] ? __bfs (kernel/locking/lockdep.c:1787) [ 337.201647][ T1288] ? __pfx_hlock_conflict (kernel/locking/lockdep.c:2016) [ 337.201874][ T1288] ? check_path.constprop.0 (kernel/locking/lockdep.c:2145) [ 337.202217][ T1288] ? check_noncircular (kernel/locking/lockdep.c:2172) [ 337.202490][ T1288] ? __pfx_check_noncircular (kernel/locking/lockdep.c:2163) [ 337.202660][ T1288] ? check_prev_add (kernel/locking/lockdep.c:3138) [ 337.202817][ T1288] check_prev_add (kernel/locking/lockdep.c:3138) [ 337.203065][ T1288] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3759 kernel/locking/lockdep.c:3782 kernel/locking/lockdep.c:3837) [ 337.203221][ T1288] validate_chain (kernel/locking/lockdep.c:3254 kernel/locking/lockdep.c:3869) [ 337.203381][ T1288] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 337.203503][ T1288] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 337.203749][ T1288] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) [ 337.203904][ T1288] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 337.204029][ T1288] __lock_acquire (kernel/locking/lockdep.c:5137) [ 337.204188][ T1288] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 337.204343][ T1288] ? __get_task_comm (fs/exec.c:1234) [ 337.204596][ T1288] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 337.204714][ T1288] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 337.204871][ T1288] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 337.205029][ T1288] ? __get_task_comm (fs/exec.c:1234) [ 337.205272][ T1288] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 337.205431][ T1288] ? __get_task_comm (fs/exec.c:1234) [ 337.205598][ T1288] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) [ 337.205755][ T1288] ? __get_task_comm (fs/exec.c:1234) [ 337.205910][ T1288] __get_task_comm (fs/exec.c:1234) [ 337.206152][ T1288] ref_tracker_alloc (lib/ref_tracker.c:217) [ 337.206308][ T1288] ? __pfx_ref_tracker_alloc (lib/ref_tracker.c:193) [ 337.206465][ T1288] ? __lock_release (kernel/locking/lockdep.c:5430) [ 337.206633][ T1288] ? rt6_uncached_list_flush_dev (./include/linux/netdevice.h:4036 ./include/linux/netdevice.h:4114 net/ipv6/route.c:185) [ 337.206924][ T1288] ? rt6_disable_ip (net/ipv6/route.c:4910) [ 337.207085][ T1288] ? addrconf_ifdown.isra.0 (./include/net/addrconf.h:324 net/ipv6/addrconf.c:3856) [ 337.207246][ T1288] ? addrconf_notify (net/ipv6/addrconf.c:3811) [ 337.207403][ T1288] ? notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 337.207660][ T1288] ? __netdev_upper_dev_link (./include/linux/notifier.h:207 net/core/dev.c:7869) [ 337.207819][ T1288] ? netdev_master_upper_dev_link (net/core/dev.c:7937) [ 337.208016][ T1288] ? vrf_add_slave (drivers/net/vrf.c:1118 drivers/net/vrf.c:1142) [ 337.208175][ T1288] ? do_setlink (net/core/rtnetlink.c:2891) [ 337.208421][ T1288] ? __rtnl_newlink (net/core/rtnetlink.c:3680) [ 337.208588][ T1288] ? rtnl_newlink (net/core/rtnetlink.c:3728) [ 337.208745][ T1288] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 337.208902][ T1288] ? netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 337.209151][ T1288] ? netlink_unicast (net/netlink/af_netlink.c:1335 net/netlink/af_netlink.c:1361) [ 337.209310][ T1288] ? netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 337.209464][ T1288] ? ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2584) [ 337.209631][ T1288] ? in6_dev_get (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 ./include/net/addrconf.h:373) [ 337.209963][ T1288] rt6_uncached_list_flush_dev (./include/linux/netdevice.h:4036 ./include/linux/netdevice.h:4114 net/ipv6/route.c:185) [ 337.210161][ T1288] rt6_disable_ip (net/ipv6/route.c:4910) [ 337.210326][ T1288] ? __pfx_rt6_disable_ip (net/ipv6/route.c:4907) [ 337.210487][ T1288] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) [ 337.210788][ T1288] addrconf_ifdown.isra.0 (./include/net/addrconf.h:324 net/ipv6/addrconf.c:3856) [ 337.210975][ T1288] ? __try_to_del_timer_sync (kernel/time/timer.c:1500) [ 337.211226][ T1288] ? __pfx_addrconf_ifdown.isra.0 (net/ipv6/addrconf.c:3841) [ 337.211522][ T1288] addrconf_notify (net/ipv6/addrconf.c:3811) [ 337.211929][ T1288] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 337.212167][ T1288] __netdev_upper_dev_link (./include/linux/notifier.h:207 net/core/dev.c:7869) [ 337.212424][ T1288] ? __pfx___netdev_upper_dev_link (net/core/dev.c:7821) [ 337.212726][ T1288] netdev_master_upper_dev_link (net/core/dev.c:7937) [ 337.213134][ T1288] ? __pfx_netdev_master_upper_dev_link (net/core/dev.c:7931) [ 337.213441][ T1288] ? mutex_is_locked (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.c:81 kernel/locking/mutex.c:91) [ 337.213692][ T1288] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 337.213939][ T1288] ? netdev_master_upper_dev_get (net/core/dev.c:7024) [ 337.214400][ T1288] vrf_add_slave (drivers/net/vrf.c:1118 drivers/net/vrf.c:1142) [ 337.214651][ T1288] do_setlink (net/core/rtnetlink.c:2891) [ 337.214894][ T1288] ? is_bpf_text_address (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 kernel/bpf/core.c:769) [ 337.215139][ T1288] ? __pfx_do_setlink (net/core/rtnetlink.c:2762) [ 337.215541][ T1288] ? is_bpf_text_address (kernel/bpf/core.c:772) [ 337.215789][ T1288] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 337.216034][ T1288] ? __kernel_text_address (kernel/extable.c:79) [ 337.216275][ T1288] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 337.216517][ T1288] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 337.216979][ T1288] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 337.217241][ T1288] ? stack_trace_save (kernel/stacktrace.c:123) [ 337.217481][ T1288] ? __pfx_validate_nla (lib/nlattr.c:396) [ 337.217722][ T1288] ? stack_depot_save_flags (lib/stackdepot.c:609) [ 337.218127][ T1288] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 337.218300][ T1288] ? __nla_validate_parse (lib/nlattr.c:627 (discriminator 1)) [ 337.218530][ T1288] __rtnl_newlink (net/core/rtnetlink.c:3680) [ 337.218742][ T1288] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) [ 337.219131][ T1288] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3541) [ 337.219367][ T1288] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 337.219570][ T1288] ? __create_object (mm/kmemleak.c:756) [ 337.219739][ T1288] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 337.220058][ T1288] rtnl_newlink (net/core/rtnetlink.c:3728) [ 337.220250][ T1288] rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 337.220477][ T1288] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6488) [ 337.220693][ T1288] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) [ 337.220858][ T1288] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 337.221245][ T1288] ? __lock_acquire (kernel/locking/lockdep.c:5137) [ 337.221447][ T1288] netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 337.221684][ T1288] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6488) [ 337.221936][ T1288] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2536) [ 337.222345][ T1288] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 337.222619][ T1288] ? netlink_deliver_tap (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 337.222864][ T1288] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 337.223104][ T1288] ? netlink_deliver_tap (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 337.223521][ T1288] ? netlink_deliver_tap (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 337.223796][ T1288] ? netlink_deliver_tap (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/netlink/af_netlink.c:340) [ 337.224044][ T1288] netlink_unicast (net/netlink/af_netlink.c:1335 net/netlink/af_netlink.c:1361) [ 337.224290][ T1288] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1346) [ 337.224534][ T1288] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 337.224938][ T1288] netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 337.225184][ T1288] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1824) [ 337.225439][ T1288] ? __might_fault (mm/memory.c:6216 mm/memory.c:6209) [ 337.225679][ T1288] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 337.226062][ T1288] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2584) [ 337.226308][ T1288] ? __pfx_____sys_sendmsg (net/socket.c:2530) [ 337.226554][ T1288] ? __pfx_copy_msghdr_from_user (net/socket.c:2510) [ 337.226860][ T1288] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 337.227277][ T1288] ___sys_sendmsg (net/socket.c:2640) [ 337.227523][ T1288] ? __pfx____sys_sendmsg (net/socket.c:2627) [ 337.227773][ T1288] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 337.228019][ T1288] ? __lock_release (kernel/locking/lockdep.c:5430) [ 337.228556][ T1288] ? __debug_check_no_obj_freed (lib/debugobjects.c:1000) [ 337.228853][ T1288] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) [ 337.229103][ T1288] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 337.229350][ T1288] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 337.229754][ T1288] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 337.229920][ T1288] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2669) [ 337.230084][ T1288] ? __pfx___sys_sendmsg (net/socket.c:2655) [ 337.230247][ T1288] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 337.230505][ T1288] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) [ 337.230706][ T1288] RIP: 0033:0x7f548366e7b7 [ 337.230873][ T1288] Code: 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0a 00 or (%rax),%al 2: f7 d8 neg %eax 4: 64 89 02 mov %eax,%fs:(%rdx) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 337.231552][ T1288] RSP: 002b:00007ffc41ede878 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 337.231800][ T1288] RAX: ffffffffffffffda RBX: 00007ffc41edefb0 RCX: 00007f548366e7b7 [ 337.232128][ T1288] RDX: 0000000000000000 RSI: 00007ffc41ede8e0 RDI: 0000000000000005 [ 337.232363][ T1288] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 337.232605][ T1288] R10: 00000000206c9910 R11: 0000000000000246 R12: 0000000000000004 Finger prints: dump_stack_lvl:print_bad_irq_dependency:check_irq_usage:check_prev_add